91 lines
3.3 KiB
Groff
91 lines
3.3 KiB
Groff
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.\" $OpenBSD: X509_SIG_get0.3,v 1.1 2021/10/23 15:39:06 tb Exp $
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.\" full merge up to: OpenSSL 61f805c1 Jan 16 01:01:46 2018 +0800
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.\"
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.\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
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.\" Copyright (c) 2016 The OpenSSL Project.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in
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.\" the documentation and/or other materials provided with the
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.\" distribution.
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.\"
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.\" 3. All advertising materials mentioning features or use of this
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.\" software must display the following acknowledgment:
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.\" "This product includes software developed by the OpenSSL Project
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.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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.\"
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.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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.\" endorse or promote products derived from this software without
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.\" prior written permission. For written permission, please contact
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.\" openssl-core@openssl.org.
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.\"
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.\" 5. Products derived from this software may not be called "OpenSSL"
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.\" nor may "OpenSSL" appear in their names without prior written
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.\" permission of the OpenSSL Project.
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.\"
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.\" 6. Redistributions of any form whatsoever must retain the following
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.\" acknowledgment:
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.\" "This product includes software developed by the OpenSSL Project
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.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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.\" OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd $Mdocdate: October 23 2021 $
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.Dt X509_SIG_GET0 3
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.Os
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.Sh NAME
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.Nm X509_SIG_get0 ,
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.Nm X509_SIG_getm
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.Nd DigestInfo functions
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.Sh SYNOPSIS
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.In openssl/x509.h
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.Ft void
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.Fo X509_SIG_get0
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.Fa "const X509_SIG *sig"
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.Fa "const X509_ALGOR **palg"
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.Fa "const ASN1_OCTET_STRING **pdigest"
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.Fc
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.Ft void
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.Fo X509_SIG_getm
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.Fa "X509_SIG *sig"
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.Fa "X509_ALGOR **palg"
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.Fa "ASN1_OCTET_STRING **pdigest"
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.Fc
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.Sh DESCRIPTION
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.Fn X509_SIG_get0
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returns pointers to the algorithm identifier and digest value in
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.Fa sig .
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.Fn X509_SIG_getm
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is identical to
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.Fn X509_SIG_get0 ,
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except the pointers returned are not constant and can be modified,
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for example to initialise them.
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.Sh SEE ALSO
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.Xr d2i_X509 3 ,
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.Xr X509_SIG_new 3
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.Sh HISTORY
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.Fn X509_SIG_get0
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and
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.Fn X509_SIG_getm
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first appeared in OpenSSL 1.1.0 and have been available since
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.Ox 7.1 .
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